102222211031108 has 72 divisors (see below), whose sum is σ = 217327478354112. Its totient is φ = 41204106256896.

The previous prime is 102222211031081. The next prime is 102222211031119. The reversal of 102222211031108 is 801130112222201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7410635 + ... + 16104717.

Almost surely, 2^{102222211031108} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102222211031108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108663739177056).

102222211031108 is an abundant number, since it is smaller than the sum of its proper divisors (115105267323004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102222211031108 is a wasteful number, since it uses less digits than its factorization.

102222211031108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8695581 (or 8695562 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 102222211031108 its reverse (801130112222201), we get a palindrome (903352323253309).

The spelling of 102222211031108 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred eleven million, thirty-one thousand, one hundred eight".